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Page 81 / 98 Scroll up to view Page 76 - 80
81
Frequently Asked Questions
(continued)
Internet Camera Installation
Q:
Can the DCS-900W be used outdoors?
A:
The DCS-900W is not weatherproof. It is not recommended that you use the camera
outdoors.
Q
:
What network cabling is required for the Internet Camera?
A:
The Internet Camera uses Category 5 UTP Twisted-pair cable allowing 10 Base-T and
100 Base-T networking.
Q:
Can the Internet Camera be setup as a PC-cam on the computer?
A:
No, the Internet Camera is used only on Ethernet and Fast Ethernet network and
supported by wireless transmission.
Q
:
Can the Internet Camera be connected on the network if it consists of only
private IP Addresses?
A:
Yes, the Internet Camera can be connected to a LAN with private IP Addresses.
Q:
Can the Internet Camera be installed if a firewall exists on the network?
A:
If a firewall exists on the network, port 80 needs to be open. If port 80 is not available,
a second port needs to be opened. Optonal ports are 800, 801, 802, etc. The corresponding
port needs to be opened on the firewall as well.
Troubleshooting
Q:
I cannot access the Internet Camera from a web browser.
A1:
Make sure that the IP address of the camera is assigned the same subnet as your
network.
!
Go to
Start
>
Run
, type
Command
, and click
OK
.
!
Type
ipconfig/all
into the DOS window.
!
The IP address, subnet mask, default gaetway, and 2 DNS servers for your network
will appear in the window. Take note of these values to verify with your camera’s
configurations.
!
Run the Setup Wizard again.
!
When the Set IP Address page appears, change the camera’s IP address to be
consistent with your network IP address, subnet mask, gateway, and DNS servers.
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82
A2:
Other possible problems might be due to the network cable. Try replacing your
network cable. Test the network interface of the product by connecting a local computer
to the unit, utilizing a standard Crossover (hub to hub) Cable. If the problem is not solved
the Internet Camera might be faulty.
Q:
Why does the Power LED not light up constantly?
A:
The power supply used might be at fault. Confirm that you are using the provided
power supply, which is DC 5V, for the Internet Camera and verify that the power supply
is well connected.
Q:
Why does the LAN LED not light up properly?
A1:
There might be a problem with the network cable. To confirm that the cables are
working, PING the address of a known device on the network. If the cabling is OK and
your network is reachable, you should receive a reply similar to the following (…bytes =
32 time = 2 ms).
A2:
The network device utilized by the Internet Camera is not functioning properly, such
as hubs or switches. Confirm the power for the devices are well connected and functioning
properly.
Q:
Why does the Internet Camera work locally but not externally?
A1:
Might be caused from the firewall protection. Check the Internet firewall with your
system administrator. The firewall may need to have some settings changed in order for
the Internet Camera to be accessible outside your local LAN.
A2:
Make sure that the Internet Camera isn’t conflicting with any web server you may
have running on your network.
A3:
The default router setting might be a possible reason. Check that the configuration
of the router settings allow the Internet Camera to be accessed outside your local LAN.
Troubleshooting
(continued)
Internet Camera Installation
Page 83 / 98
83
Q:
Why does a series of broad vertical white lines appear through out the image?
A:
It could be that the CMOS sensor (a square panel situated behind the lens that
measures the light signals and changes it into a digital format so your computer can
present it into an image that you are familiar with) has become overloaded when it has
been exposed to bright lights such as direct exposure to sunlight or halogen lights.
Reposition the Internet Camera into a more shaded area immediately as prolonged
exposure to bright lights will damage the CMOS sensor.
Q:
Noisy images occur. How can I solve the problem?
A1:
The video images might be noisy if the Internet Camera is used in a very low light
environment. To solve this issue you need more lighting.
Q:
The images are poor quality, how can I improve the image quality?
A1:
Make sure that your computer’s display properties are set to at least 16-bit color.
Using 16 or 256 colors on your computer will produce dithering artifacts in the image,
making the image look as if it has bad quality.
A2:
The configuration on the Internet Camera image display is incorrect. Through the
Web Configuration Video section of the web management (see P. 33) you need to adjust
the image related parameters for improved images such as: brightness, contrast, hue
and light frequency. Please refer to the Web Configuration section for detailed information.
Internet Camera Installation
Troubleshooting
(continued)
Page 84 / 98
84
Troubleshooting
(continued)
Appendix B
Q:
There are no images available through the web browser?
A1:
The ActiveX might be disabled. If you are viewing the images from Internet Explorer
make sure ActiveX has been enabled in the Internet Options menu. Alternatively, you
can use the Java Applet for viewing the required images.
A2:
If you are using Windows XP, please make sure that you have downloaded Java and
installed it properly.
A3:
Make sure that your Web browser supports Java. If you are using Internet Explorer
or Netscape Navigator with a version number of lower than 4, then you will need to
upgrade your Web browser software in order to view the streaming video transmitted by
the Internet Camera.
How to PING Your IP Address
The PING (Packet Internet Groper) command can determine whether a specific IP Address
is accessible by sending a packet to the specific address and waiting for a reply. It is a
very useful tool to confirm if the IP Address of the Internet Camera is a valid IP address
over the network.
Follow the step-by-step procedure below to utilize the PING command.
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85
How to Ping your IP Address
(continued)
Start a DOS window Start>Program>Accessories>Command Prompt
Type ping x.x.x.x, where x.x.x.x is the IP Address of the Internet Camera.
1)
A successful connection to the camera will be indicated by 4 reply statements
(above). If you fail to connect to your camera you will see the following:
2) Check to see if you have entered your camera’s IP Address correctly and reassign
your camera’s IP Address to a valid IP address of the network.

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